Running Fedora 18 and the bundled libvirt and virt-tools. Desktop use.
As I like to access my guests with a hostname and not a numerical IP address, I fix the IP addressing in the network configuration: http://pastebin.com/rfMKn40j
Unfortunately, I cant find a way to add a host without loosing the whole networking, as when I add a ahost, I destroy and redefine the network.
Restarting libvirtd is not the solution.
How would you recommend to have networking UP after network redefinition?